(optical fiber communication channel)

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• Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …   Wikipedia

• Optical communication — is any form of telecommunication that uses light as the transmission medium. An optical communication system consists of a transmitter, which encodes a message into an optical signal, a channel, which carries the signal to its destination, and a… …   Wikipedia

• Fiber to the x — (FTTX) is a generic term for any network architecture that uses optical fiber to replace all or part of the usual copper local loop used for telecommunications. The four technologies, in order of an increasingly longer fiber loop are:* Fiber to… …   Wikipedia

• Fiber-Optic Link Around the Globe — (FLAG) is a 28,000 kilometer long submarine communications cable containing optical fiber that connects the United Kingdom, Japan, and many places in between. The cable is operated by India s Flag Telecom, a fully owned subsidiary of Reliance… …   Wikipedia

• Fiber-optic communication — An optical fiber junction box. The yellow cables are single mode fibers; the orange and blue cables are multi mode fibers: 50/125 µm OM2 and 50/125 µm OM3 fibers respectively. Fiber optic communication is a method of transmitting information from …   Wikipedia

• Optical Transport Network — ITU T defines an Optical Transport Network (OTN) as a set of Optical Network Elements (ONE) connected by optical fibre links, able to provide functionality of transport, multiplexing, switching, management, supervision and survivability of… …   Wikipedia

• Optical amplifier — An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from… …   Wikipedia

• Channel access method — In telecommunications and computer networks, a channel access method or multiple access method allows several terminals connected to the same multi point transmission medium to transmit over it and to share its capacity. Examples of shared… …   Wikipedia

• Optical hybrid — A 90° optical hybrid is a six port device that is used for coherent signal demodulation for either homodyne or heterodyne detection. It would mix the incoming signal with the four quadratural states associated with the reference signal in the… …   Wikipedia

• Channel (communications) — Old telephone wires are a challenging communications channel for modern digital communications. In telecommunications and computer networking, a communication channel, or channel, refers either to a physical transmission medium such as a wire, or …   Wikipedia

• Optical link — An optical link is a communications link that consists of a single end to end optical circuit. A cable of optical fiber, possibly concatenated into a dark fiber link, is the simplest form of an optical link. Other forms of optical link can… …   Wikipedia